Rent is that portion of the produce of the earth which is paid to the landlord for the use of the original and indestructible powers of the soil.

生活中唯一的限制是你自己设定的。

I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.  

文学有能力弥合分歧，促进来自不同背景的人们之间的共情。

The truth is rarely pure and never simple.